Peng-jiu ZHAO, Shou-peng LIU, Yu LUO, Wei REN, Xiao-hu CHEN. Design of Metasurface Lens with Two Focal Spots Based on Polarization Response[J]. Acta Photonica Sinica, 2020, 49(9): 0923002
- Acta Photonica Sinica
- Vol. 49, Issue 9, 0923002 (2020)
Fig. 1. Unit of the metasurface and its phase shift, conversion efficiency and transmission coefficient
Fig. 1. Unit of the metasurface and its phase shift, conversion efficiency and transmission coefficient
Fig. 2. Principle of polarization-response metalens and top view of the designed device
Fig. 2. Principle of polarization-response metalens and top view of the designed device
Fig. 3. Intensity distributions at the center of the device and in the x -z planewhen illuminated by incident light at each polarization state
Fig. 3. Intensity distributions at the center of the device and in the x -z planewhen illuminated by incident light at each polarization state
Fig. 4. The relationship between FWHM and separation distance and the comparison of transverse FWHM
Fig. 4. The relationship between FWHM and separation distance and the comparison of transverse FWHM
Fig. 5. Intensity after adjustment of incident light
Fig. 5. Intensity after adjustment of incident light
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Table 1. Parameters of representative structures
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Table 1. Parameters of representative structures
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